dlls/msctf/context.c

   1 /*
   2  *  ITfContext implementation
   3  *
   4  *  Copyright 2009 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #define COBJMACROS
  26
  27 #include "wine/debug.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winreg.h"
  31 #include "winuser.h"
  32 #include "shlwapi.h"
  33 #include "winerror.h"
  34 #include "objbase.h"
  35 #include "olectl.h"
  36
  37 #include "wine/unicode.h"
  38 #include "wine/list.h"
  39
  40 #include "msctf.h"
  41 #include "msctf_internal.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(msctf);
  44
  45 typedef struct tagContextSink {
  46     struct list         entry;
  47     union {
  48         /* Context Sinks */
  49         IUnknown            *pIUnknown;
  50         /* ITfContextKeyEventSink  *pITfContextKeyEventSink; */
  51         /* ITfEditTransactionSink  *pITfEditTransactionSink; */
  52         /* ITfStatusSink           *pITfStatusSink; */
  53         ITfTextEditSink     *pITfTextEditSink;
  54         /* ITfTextLayoutSink       *pITfTextLayoutSink; */
  55     } interfaces;
  56 } ContextSink;
  57
  58 typedef struct tagContext {
  59     const ITfContextVtbl *ContextVtbl;
  60     const ITfSourceVtbl *SourceVtbl;
  61     /* const ITfContextCompositionVtbl *ContextCompositionVtbl; */
  62     /* const ITfContextOwnerCompositionServicesVtbl *ContextOwnerCompositionServicesVtbl; */
  63     /* const ITfContextOwnerServicesVtbl *ContextOwnerServicesVtbl; */
  64     const ITfInsertAtSelectionVtbl *InsertAtSelectionVtbl;
  65     /* const ITfMouseTrackerVtbl *MouseTrackerVtbl; */
  66     /* const ITfQueryEmbeddedVtbl *QueryEmbeddedVtbl; */
  67     /* const ITfSourceSingleVtbl *SourceSingleVtbl; */
  68     LONG refCount;
  69     BOOL connected;
  70
  71     /* Aggregation */
  72     ITfCompartmentMgr  *CompartmentMgr;
  73
  74     TfClientId tidOwner;
  75     TfEditCookie defaultCookie;
  76     TS_STATUS documentStatus;
  77     ITfDocumentMgr *manager;
  78
  79     ITextStoreACP   *pITextStoreACP;
  80     ITfContextOwnerCompositionSink *pITfContextOwnerCompositionSink;
  81
  82     ITextStoreACPSink *pITextStoreACPSink;
  83     ITfEditSession* currentEditSession;
  84
  85     /* kept as separate lists to reduce unnecessary iterations */
  86     struct list     pContextKeyEventSink;
  87     struct list     pEditTransactionSink;
  88     struct list     pStatusSink;
  89     struct list     pTextEditSink;
  90     struct list     pTextLayoutSink;
  91
  92 } Context;
  93
  94 typedef struct tagEditCookie {
  95     DWORD lockType;
  96     Context *pOwningContext;
  97 } EditCookie;
  98
  99 typedef struct tagTextStoreACPSink {
 100     const ITextStoreACPSinkVtbl *TextStoreACPSinkVtbl;
 101     /* const ITextStoreACPServicesVtbl *TextStoreACPServicesVtbl; */
 102     LONG refCount;
 103
 104     Context *pContext;
 105 } TextStoreACPSink;
 106
 107
 108 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext);
 109
 110 static inline Context *impl_from_ITfSourceVtbl(ITfSource *iface)
 111 {
 112     return (Context *)((char *)iface - FIELD_OFFSET(Context,SourceVtbl));
 113 }
 114
 115 static inline Context *impl_from_ITfInsertAtSelectionVtbl(ITfInsertAtSelection*iface)
 116 {
 117     return (Context *)((char *)iface - FIELD_OFFSET(Context,InsertAtSelectionVtbl));
 118 }
 119
 120 static void free_sink(ContextSink *sink)
 121 {
 122         IUnknown_Release(sink->interfaces.pIUnknown);
 123         HeapFree(GetProcessHeap(),0,sink);
 124 }
 125
 126 static void Context_Destructor(Context *This)
 127 {
 128     struct list *cursor, *cursor2;
 129     EditCookie *cookie;
 130     TRACE("destroying %p\n", This);
 131
 132     if (This->pITextStoreACPSink)
 133     {
 134         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 135         ITextStoreACPSink_Release(This->pITextStoreACPSink);
 136     }
 137
 138     if (This->pITextStoreACP)
 139         ITextStoreACPSink_Release(This->pITextStoreACP);
 140
 141     if (This->pITfContextOwnerCompositionSink)
 142         ITextStoreACPSink_Release(This->pITfContextOwnerCompositionSink);
 143
 144     if (This->defaultCookie)
 145     {
 146         cookie = remove_Cookie(This->defaultCookie);
 147         HeapFree(GetProcessHeap(),0,cookie);
 148         This->defaultCookie = 0;
 149     }
 150
 151     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pContextKeyEventSink)
 152     {
 153         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 154         list_remove(cursor);
 155         free_sink(sink);
 156     }
 157     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pEditTransactionSink)
 158     {
 159         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 160         list_remove(cursor);
 161         free_sink(sink);
 162     }
 163     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pStatusSink)
 164     {
 165         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 166         list_remove(cursor);
 167         free_sink(sink);
 168     }
 169     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextEditSink)
 170     {
 171         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 172         list_remove(cursor);
 173         free_sink(sink);
 174     }
 175     LIST_FOR_EACH_SAFE(cursor, cursor2, &This->pTextLayoutSink)
 176     {
 177         ContextSink* sink = LIST_ENTRY(cursor,ContextSink,entry);
 178         list_remove(cursor);
 179         free_sink(sink);
 180     }
 181
 182     CompartmentMgr_Destructor(This->CompartmentMgr);
 183     HeapFree(GetProcessHeap(),0,This);
 184 }
 185
 186 static HRESULT WINAPI Context_QueryInterface(ITfContext *iface, REFIID iid, LPVOID *ppvOut)
 187 {
 188     Context *This = (Context *)iface;
 189     *ppvOut = NULL;
 190
 191     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfContext))
 192     {
 193         *ppvOut = This;
 194     }
 195     else if (IsEqualIID(iid, &IID_ITfSource))
 196     {
 197         *ppvOut = &This->SourceVtbl;
 198     }
 199     else if (IsEqualIID(iid, &IID_ITfInsertAtSelection))
 200     {
 201         *ppvOut = &This->InsertAtSelectionVtbl;
 202     }
 203     else if (IsEqualIID(iid, &IID_ITfCompartmentMgr))
 204     {
 205         *ppvOut = This->CompartmentMgr;
 206     }
 207
 208     if (*ppvOut)
 209     {
 210         IUnknown_AddRef(iface);
 211         return S_OK;
 212     }
 213
 214     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 215     return E_NOINTERFACE;
 216 }
 217
 218 static ULONG WINAPI Context_AddRef(ITfContext *iface)
 219 {
 220     Context *This = (Context *)iface;
 221     return InterlockedIncrement(&This->refCount);
 222 }
 223
 224 static ULONG WINAPI Context_Release(ITfContext *iface)
 225 {
 226     Context *This = (Context *)iface;
 227     ULONG ret;
 228
 229     ret = InterlockedDecrement(&This->refCount);
 230     if (ret == 0)
 231         Context_Destructor(This);
 232     return ret;
 233 }
 234
 235 /*****************************************************
 236  * ITfContext functions
 237  *****************************************************/
 238 static HRESULT WINAPI Context_RequestEditSession (ITfContext *iface,
 239         TfClientId tid, ITfEditSession *pes, DWORD dwFlags,
 240         HRESULT *phrSession)
 241 {
 242     HRESULT hr;
 243     Context *This = (Context *)iface;
 244     DWORD  dwLockFlags = 0x0;
 245
 246     TRACE("(%p) %i %p %x %p\n",This, tid, pes, dwFlags, phrSession);
 247
 248     if (!(dwFlags & TF_ES_READ) && !(dwFlags & TF_ES_READWRITE))
 249     {
 250         *phrSession = E_FAIL;
 251         return E_INVALIDARG;
 252     }
 253
 254     if (!This->pITextStoreACP)
 255     {
 256         FIXME("No ITextStoreACP avaliable\n");
 257         *phrSession = E_FAIL;
 258         return E_FAIL;
 259     }
 260
 261     if (!(dwFlags & TF_ES_ASYNC))
 262         dwLockFlags |= TS_LF_SYNC;
 263
 264     if ((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE)
 265         dwLockFlags |= TS_LF_READWRITE;
 266     else if (dwFlags & TF_ES_READ)
 267         dwLockFlags |= TS_LF_READ;
 268
 269     if (!This->documentStatus.dwDynamicFlags)
 270         ITextStoreACP_GetStatus(This->pITextStoreACP, &This->documentStatus);
 271
 272     if (((dwFlags & TF_ES_READWRITE) == TF_ES_READWRITE) && (This->documentStatus.dwDynamicFlags & TS_SD_READONLY))
 273     {
 274         *phrSession = TS_E_READONLY;
 275         return S_OK;
 276     }
 277
 278     if (FAILED (ITfEditSession_QueryInterface(pes, &IID_ITfEditSession, (LPVOID*)&This->currentEditSession)))
 279     {
 280         *phrSession = E_FAIL;
 281         return E_INVALIDARG;
 282     }
 283
 284     hr = ITextStoreACP_RequestLock(This->pITextStoreACP, dwLockFlags, phrSession);
 285
 286     return hr;
 287 }
 288
 289 static HRESULT WINAPI Context_InWriteSession (ITfContext *iface,
 290          TfClientId tid,
 291          BOOL *pfWriteSession)
 292 {
 293     Context *This = (Context *)iface;
 294     FIXME("STUB:(%p)\n",This);
 295     return E_NOTIMPL;
 296 }
 297
 298 static HRESULT WINAPI Context_GetSelection (ITfContext *iface,
 299         TfEditCookie ec, ULONG ulIndex, ULONG ulCount,
 300         TF_SELECTION *pSelection, ULONG *pcFetched)
 301 {
 302     Context *This = (Context *)iface;
 303     EditCookie *cookie;
 304     ULONG count, i;
 305     ULONG totalFetched = 0;
 306     HRESULT hr = S_OK;
 307
 308     if (!pSelection || !pcFetched)
 309         return E_INVALIDARG;
 310
 311     *pcFetched = 0;
 312
 313     if (!This->connected)
 314         return TF_E_DISCONNECTED;
 315
 316     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 317         return TF_E_NOLOCK;
 318
 319     if (!This->pITextStoreACP)
 320     {
 321         FIXME("Context does not have a ITextStoreACP\n");
 322         return E_NOTIMPL;
 323     }
 324
 325     cookie = get_Cookie_data(ec);
 326
 327     if (ulIndex == TF_DEFAULT_SELECTION)
 328         count = 1;
 329     else
 330         count = ulCount;
 331
 332     for (i = 0; i < count; i++)
 333     {
 334         DWORD fetched;
 335         TS_SELECTION_ACP acps;
 336
 337         hr = ITextStoreACP_GetSelection(This->pITextStoreACP, ulIndex + i,
 338                 1, &acps, &fetched);
 339
 340         if (hr == TS_E_NOLOCK)
 341             return TF_E_NOLOCK;
 342         else if (SUCCEEDED(hr))
 343         {
 344             pSelection[totalFetched].style.ase = acps.style.ase;
 345             pSelection[totalFetched].style.fInterimChar = acps.style.fInterimChar;
 346             Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, acps.acpStart, acps.acpEnd, &pSelection[totalFetched].range);
 347             totalFetched ++;
 348         }
 349         else
 350             break;
 351     }
 352
 353     *pcFetched = totalFetched;
 354
 355     return hr;
 356 }
 357
 358 static HRESULT WINAPI Context_SetSelection (ITfContext *iface,
 359         TfEditCookie ec, ULONG ulCount, const TF_SELECTION *pSelection)
 360 {
 361     TS_SELECTION_ACP *acp;
 362     Context *This = (Context *)iface;
 363     INT i;
 364     HRESULT hr;
 365
 366     TRACE("(%p) %i %i %p\n",This,ec,ulCount,pSelection);
 367
 368     if (!This->pITextStoreACP)
 369     {
 370         FIXME("Context does not have a ITextStoreACP\n");
 371         return E_NOTIMPL;
 372     }
 373
 374     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 375         return TF_E_NOLOCK;
 376
 377     acp = HeapAlloc(GetProcessHeap(), 0, sizeof(TS_SELECTION_ACP) * ulCount);
 378     if (!acp)
 379         return E_OUTOFMEMORY;
 380
 381     for (i = 0; i < ulCount; i++)
 382         if (FAILED(TF_SELECTION_to_TS_SELECTION_ACP(&pSelection[i], &acp[i])))
 383         {
 384             TRACE("Selection Conversion Failed\n");
 385             HeapFree(GetProcessHeap(), 0 , acp);
 386             return E_FAIL;
 387         }
 388
 389     hr = ITextStoreACP_SetSelection(This->pITextStoreACP, ulCount, acp);
 390
 391     HeapFree(GetProcessHeap(), 0, acp);
 392
 393     return hr;
 394 }
 395
 396 static HRESULT WINAPI Context_GetStart (ITfContext *iface,
 397         TfEditCookie ec, ITfRange **ppStart)
 398 {
 399     Context *This = (Context *)iface;
 400     EditCookie *cookie;
 401     TRACE("(%p) %i %p\n",This,ec,ppStart);
 402
 403     if (!ppStart)
 404         return E_INVALIDARG;
 405
 406     *ppStart = NULL;
 407
 408     if (!This->connected)
 409         return TF_E_DISCONNECTED;
 410
 411     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 412         return TF_E_NOLOCK;
 413
 414     cookie = get_Cookie_data(ec);
 415     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, 0, 0, ppStart);
 416 }
 417
 418 static HRESULT WINAPI Context_GetEnd (ITfContext *iface,
 419         TfEditCookie ec, ITfRange **ppEnd)
 420 {
 421     Context *This = (Context *)iface;
 422     EditCookie *cookie;
 423     LONG end;
 424     TRACE("(%p) %i %p\n",This,ec,ppEnd);
 425
 426     if (!ppEnd)
 427         return E_INVALIDARG;
 428
 429     *ppEnd = NULL;
 430
 431     if (!This->connected)
 432         return TF_E_DISCONNECTED;
 433
 434     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 435         return TF_E_NOLOCK;
 436
 437     if (!This->pITextStoreACP)
 438     {
 439         FIXME("Context does not have a ITextStoreACP\n");
 440         return E_NOTIMPL;
 441     }
 442
 443     cookie = get_Cookie_data(ec);
 444     ITextStoreACP_GetEndACP(This->pITextStoreACP,&end);
 445
 446     return Range_Constructor(iface, This->pITextStoreACP, cookie->lockType, end, end, ppEnd);
 447 }
 448
 449 static HRESULT WINAPI Context_GetActiveView (ITfContext *iface,
 450   ITfContextView **ppView)
 451 {
 452     Context *This = (Context *)iface;
 453     FIXME("STUB:(%p)\n",This);
 454     return E_NOTIMPL;
 455 }
 456
 457 static HRESULT WINAPI Context_EnumViews (ITfContext *iface,
 458         IEnumTfContextViews **ppEnum)
 459 {
 460     Context *This = (Context *)iface;
 461     FIXME("STUB:(%p)\n",This);
 462     return E_NOTIMPL;
 463 }
 464
 465 static HRESULT WINAPI Context_GetStatus (ITfContext *iface,
 466         TF_STATUS *pdcs)
 467 {
 468     Context *This = (Context *)iface;
 469     FIXME("STUB:(%p)\n",This);
 470     return E_NOTIMPL;
 471 }
 472
 473 static HRESULT WINAPI Context_GetProperty (ITfContext *iface,
 474         REFGUID guidProp, ITfProperty **ppProp)
 475 {
 476     Context *This = (Context *)iface;
 477     FIXME("STUB:(%p)\n",This);
 478     return E_NOTIMPL;
 479 }
 480
 481 static HRESULT WINAPI Context_GetAppProperty (ITfContext *iface,
 482         REFGUID guidProp, ITfReadOnlyProperty **ppProp)
 483 {
 484     Context *This = (Context *)iface;
 485     FIXME("STUB:(%p)\n",This);
 486     return E_NOTIMPL;
 487 }
 488
 489 static HRESULT WINAPI Context_TrackProperties (ITfContext *iface,
 490         const GUID **prgProp, ULONG cProp, const GUID **prgAppProp,
 491         ULONG cAppProp, ITfReadOnlyProperty **ppProperty)
 492 {
 493     Context *This = (Context *)iface;
 494     FIXME("STUB:(%p)\n",This);
 495     return E_NOTIMPL;
 496 }
 497
 498 static HRESULT WINAPI Context_EnumProperties (ITfContext *iface,
 499         IEnumTfProperties **ppEnum)
 500 {
 501     Context *This = (Context *)iface;
 502     FIXME("STUB:(%p)\n",This);
 503     return E_NOTIMPL;
 504 }
 505
 506 static HRESULT WINAPI Context_GetDocumentMgr (ITfContext *iface,
 507         ITfDocumentMgr **ppDm)
 508 {
 509     Context *This = (Context *)iface;
 510     TRACE("(%p) %p\n",This,ppDm);
 511
 512     if (!ppDm)
 513         return E_INVALIDARG;
 514
 515     *ppDm = This->manager;
 516     if (!This->manager)
 517         return S_FALSE;
 518     return S_OK;
 519 }
 520
 521 static HRESULT WINAPI Context_CreateRangeBackup (ITfContext *iface,
 522         TfEditCookie ec, ITfRange *pRange, ITfRangeBackup **ppBackup)
 523 {
 524     Context *This = (Context *)iface;
 525     FIXME("STUB:(%p)\n",This);
 526     return E_NOTIMPL;
 527 }
 528
 529 static const ITfContextVtbl Context_ContextVtbl =
 530 {
 531     Context_QueryInterface,
 532     Context_AddRef,
 533     Context_Release,
 534
 535     Context_RequestEditSession,
 536     Context_InWriteSession,
 537     Context_GetSelection,
 538     Context_SetSelection,
 539     Context_GetStart,
 540     Context_GetEnd,
 541     Context_GetActiveView,
 542     Context_EnumViews,
 543     Context_GetStatus,
 544     Context_GetProperty,
 545     Context_GetAppProperty,
 546     Context_TrackProperties,
 547     Context_EnumProperties,
 548     Context_GetDocumentMgr,
 549     Context_CreateRangeBackup
 550 };
 551
 552 static HRESULT WINAPI Source_QueryInterface(ITfSource *iface, REFIID iid, LPVOID *ppvOut)
 553 {
 554     Context *This = impl_from_ITfSourceVtbl(iface);
 555     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 556 }
 557
 558 static ULONG WINAPI Source_AddRef(ITfSource *iface)
 559 {
 560     Context *This = impl_from_ITfSourceVtbl(iface);
 561     return Context_AddRef((ITfContext *)This);
 562 }
 563
 564 static ULONG WINAPI Source_Release(ITfSource *iface)
 565 {
 566     Context *This = impl_from_ITfSourceVtbl(iface);
 567     return Context_Release((ITfContext *)This);
 568 }
 569
 570 /*****************************************************
 571  * ITfSource functions
 572  *****************************************************/
 573 static WINAPI HRESULT ContextSource_AdviseSink(ITfSource *iface,
 574         REFIID riid, IUnknown *punk, DWORD *pdwCookie)
 575 {
 576     ContextSink *es;
 577     Context *This = impl_from_ITfSourceVtbl(iface);
 578     TRACE("(%p) %s %p %p\n",This,debugstr_guid(riid),punk,pdwCookie);
 579
 580     if (!riid || !punk || !pdwCookie)
 581         return E_INVALIDARG;
 582
 583     if (IsEqualIID(riid, &IID_ITfTextEditSink))
 584     {
 585         es = HeapAlloc(GetProcessHeap(),0,sizeof(ContextSink));
 586         if (!es)
 587             return E_OUTOFMEMORY;
 588         if (FAILED(IUnknown_QueryInterface(punk, riid, (LPVOID *)&es->interfaces.pITfTextEditSink)))
 589         {
 590             HeapFree(GetProcessHeap(),0,es);
 591             return CONNECT_E_CANNOTCONNECT;
 592         }
 593         list_add_head(&This->pTextEditSink ,&es->entry);
 594         *pdwCookie = generate_Cookie(COOKIE_MAGIC_CONTEXTSINK, es);
 595     }
 596     else
 597     {
 598         FIXME("(%p) Unhandled Sink: %s\n",This,debugstr_guid(riid));
 599         return E_NOTIMPL;
 600     }
 601
 602     TRACE("cookie %x\n",*pdwCookie);
 603     return S_OK;
 604 }
 605
 606 static WINAPI HRESULT ContextSource_UnadviseSink(ITfSource *iface, DWORD pdwCookie)
 607 {
 608     ContextSink *sink;
 609     Context *This = impl_from_ITfSourceVtbl(iface);
 610
 611     TRACE("(%p) %x\n",This,pdwCookie);
 612
 613     if (get_Cookie_magic(pdwCookie)!=COOKIE_MAGIC_CONTEXTSINK)
 614         return E_INVALIDARG;
 615
 616     sink = (ContextSink*)remove_Cookie(pdwCookie);
 617     if (!sink)
 618         return CONNECT_E_NOCONNECTION;
 619
 620     list_remove(&sink->entry);
 621     free_sink(sink);
 622
 623     return S_OK;
 624 }
 625
 626 static const ITfSourceVtbl Context_SourceVtbl =
 627 {
 628     Source_QueryInterface,
 629     Source_AddRef,
 630     Source_Release,
 631
 632     ContextSource_AdviseSink,
 633     ContextSource_UnadviseSink,
 634 };
 635
 636 /*****************************************************
 637  * ITfInsertAtSelection functions
 638  *****************************************************/
 639 static HRESULT WINAPI InsertAtSelection_QueryInterface(ITfInsertAtSelection *iface, REFIID iid, LPVOID *ppvOut)
 640 {
 641     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 642     return Context_QueryInterface((ITfContext *)This, iid, *ppvOut);
 643 }
 644
 645 static ULONG WINAPI InsertAtSelection_AddRef(ITfInsertAtSelection *iface)
 646 {
 647     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 648     return Context_AddRef((ITfContext *)This);
 649 }
 650
 651 static ULONG WINAPI InsertAtSelection_Release(ITfInsertAtSelection *iface)
 652 {
 653     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 654     return Context_Release((ITfContext *)This);
 655 }
 656
 657 static WINAPI HRESULT InsertAtSelection_InsertTextAtSelection(
 658         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 659         const WCHAR *pchText, LONG cch, ITfRange **ppRange)
 660 {
 661     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 662     EditCookie *cookie;
 663     LONG acpStart, acpEnd;
 664     TS_TEXTCHANGE change;
 665     HRESULT hr;
 666
 667     TRACE("(%p) %i %x %s %p\n",This, ec, dwFlags, debugstr_wn(pchText,cch), ppRange);
 668
 669     if (!This->connected)
 670         return TF_E_DISCONNECTED;
 671
 672     if (get_Cookie_magic(ec)!=COOKIE_MAGIC_EDITCOOKIE)
 673         return TF_E_NOLOCK;
 674
 675     cookie = get_Cookie_data(ec);
 676
 677     if ((cookie->lockType & TS_LF_READWRITE) != TS_LF_READWRITE )
 678         return TS_E_READONLY;
 679
 680     if (!This->pITextStoreACP)
 681     {
 682         FIXME("Context does not have a ITextStoreACP\n");
 683         return E_NOTIMPL;
 684     }
 685
 686     hr = ITextStoreACP_InsertTextAtSelection(This->pITextStoreACP, dwFlags, pchText, cch, &acpStart, &acpEnd, &change);
 687     if (SUCCEEDED(hr))
 688         Range_Constructor((ITfContext*)This, This->pITextStoreACP, cookie->lockType, change.acpStart, change.acpNewEnd, ppRange);
 689
 690     return hr;
 691 }
 692
 693 static WINAPI HRESULT InsertAtSelection_InsertEmbeddedAtSelection(
 694         ITfInsertAtSelection *iface, TfEditCookie ec, DWORD dwFlags,
 695         IDataObject *pDataObject, ITfRange **ppRange)
 696 {
 697     Context *This = impl_from_ITfInsertAtSelectionVtbl(iface);
 698     FIXME("STUB:(%p)\n",This);
 699     return E_NOTIMPL;
 700 }
 701
 702 static const ITfInsertAtSelectionVtbl Context_InsertAtSelectionVtbl =
 703 {
 704     InsertAtSelection_QueryInterface,
 705     InsertAtSelection_AddRef,
 706     InsertAtSelection_Release,
 707
 708     InsertAtSelection_InsertTextAtSelection,
 709     InsertAtSelection_InsertEmbeddedAtSelection,
 710 };
 711
 712 HRESULT Context_Constructor(TfClientId tidOwner, IUnknown *punk, ITfDocumentMgr *mgr, ITfContext **ppOut, TfEditCookie *pecTextStore)
 713 {
 714     Context *This;
 715     EditCookie *cookie;
 716
 717     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(Context));
 718     if (This == NULL)
 719         return E_OUTOFMEMORY;
 720
 721     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
 722     if (cookie == NULL)
 723     {
 724         HeapFree(GetProcessHeap(),0,This);
 725         return E_OUTOFMEMORY;
 726     }
 727
 728     TRACE("(%p) %x %p %p %p\n",This, tidOwner, punk, ppOut, pecTextStore);
 729
 730     This->ContextVtbl= &Context_ContextVtbl;
 731     This->SourceVtbl = &Context_SourceVtbl;
 732     This->InsertAtSelectionVtbl = &Context_InsertAtSelectionVtbl;
 733     This->refCount = 1;
 734     This->tidOwner = tidOwner;
 735     This->connected = FALSE;
 736     This->manager = mgr;
 737
 738     CompartmentMgr_Constructor((IUnknown*)This, &IID_IUnknown, (IUnknown**)&This->CompartmentMgr);
 739
 740     cookie->lockType = TF_ES_READ;
 741     cookie->pOwningContext = This;
 742
 743     if (punk)
 744     {
 745         IUnknown_QueryInterface(punk, &IID_ITextStoreACP,
 746                           (LPVOID*)&This->pITextStoreACP);
 747
 748         IUnknown_QueryInterface(punk, &IID_ITfContextOwnerCompositionSink,
 749                                 (LPVOID*)&This->pITfContextOwnerCompositionSink);
 750
 751         if (!This->pITextStoreACP && !This->pITfContextOwnerCompositionSink)
 752             FIXME("Unhandled pUnk\n");
 753     }
 754
 755     This->defaultCookie = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE,cookie);
 756     *pecTextStore = This->defaultCookie;
 757
 758     list_init(&This->pContextKeyEventSink);
 759     list_init(&This->pEditTransactionSink);
 760     list_init(&This->pStatusSink);
 761     list_init(&This->pTextEditSink);
 762     list_init(&This->pTextLayoutSink);
 763
 764     *ppOut = (ITfContext*)This;
 765     TRACE("returning %p\n", This);
 766
 767     return S_OK;
 768 }
 769
 770 HRESULT Context_Initialize(ITfContext *iface, ITfDocumentMgr *manager)
 771 {
 772     Context *This = (Context *)iface;
 773
 774     if (This->pITextStoreACP)
 775     {
 776         if (SUCCEEDED(TextStoreACPSink_Constructor(&This->pITextStoreACPSink, This)))
 777             ITextStoreACP_AdviseSink(This->pITextStoreACP, &IID_ITextStoreACPSink,
 778                             (IUnknown*)This->pITextStoreACPSink, TS_AS_ALL_SINKS);
 779     }
 780     This->connected = TRUE;
 781     This->manager = manager;
 782     return S_OK;
 783 }
 784
 785 HRESULT Context_Uninitialize(ITfContext *iface)
 786 {
 787     Context *This = (Context *)iface;
 788
 789     if (This->pITextStoreACPSink)
 790     {
 791         ITextStoreACP_UnadviseSink(This->pITextStoreACP, (IUnknown*)This->pITextStoreACPSink);
 792         if (ITextStoreACPSink_Release(This->pITextStoreACPSink) == 0)
 793             This->pITextStoreACPSink = NULL;
 794     }
 795     This->connected = FALSE;
 796     This->manager = NULL;
 797     return S_OK;
 798 }
 799
 800 /**************************************************************************
 801  *  ITextStoreACPSink
 802  **************************************************************************/
 803
 804 static void TextStoreACPSink_Destructor(TextStoreACPSink *This)
 805 {
 806     TRACE("destroying %p\n", This);
 807     HeapFree(GetProcessHeap(),0,This);
 808 }
 809
 810 static HRESULT WINAPI TextStoreACPSink_QueryInterface(ITextStoreACPSink *iface, REFIID iid, LPVOID *ppvOut)
 811 {
 812     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 813     *ppvOut = NULL;
 814
 815     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITextStoreACPSink))
 816     {
 817         *ppvOut = This;
 818     }
 819
 820     if (*ppvOut)
 821     {
 822         IUnknown_AddRef(iface);
 823         return S_OK;
 824     }
 825
 826     WARN("unsupported interface: %s\n", debugstr_guid(iid));
 827     return E_NOINTERFACE;
 828 }
 829
 830 static ULONG WINAPI TextStoreACPSink_AddRef(ITextStoreACPSink *iface)
 831 {
 832     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 833     return InterlockedIncrement(&This->refCount);
 834 }
 835
 836 static ULONG WINAPI TextStoreACPSink_Release(ITextStoreACPSink *iface)
 837 {
 838     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 839     ULONG ret;
 840
 841     ret = InterlockedDecrement(&This->refCount);
 842     if (ret == 0)
 843         TextStoreACPSink_Destructor(This);
 844     return ret;
 845 }
 846
 847 /*****************************************************
 848  * ITextStoreACPSink functions
 849  *****************************************************/
 850
 851 static HRESULT WINAPI TextStoreACPSink_OnTextChange(ITextStoreACPSink *iface,
 852         DWORD dwFlags, const TS_TEXTCHANGE *pChange)
 853 {
 854     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 855     FIXME("STUB:(%p)\n",This);
 856     return E_NOTIMPL;
 857 }
 858
 859 static HRESULT WINAPI TextStoreACPSink_OnSelectionChange(ITextStoreACPSink *iface)
 860 {
 861     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 862     FIXME("STUB:(%p)\n",This);
 863     return E_NOTIMPL;
 864 }
 865
 866 static HRESULT WINAPI TextStoreACPSink_OnLayoutChange(ITextStoreACPSink *iface,
 867     TsLayoutCode lcode, TsViewCookie vcView)
 868 {
 869     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 870     FIXME("STUB:(%p)\n",This);
 871     return E_NOTIMPL;
 872 }
 873
 874 static HRESULT WINAPI TextStoreACPSink_OnStatusChange(ITextStoreACPSink *iface,
 875         DWORD dwFlags)
 876 {
 877     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 878     HRESULT hr, hrSession;
 879
 880     TRACE("(%p) %x\n",This, dwFlags);
 881
 882     if (!This->pContext)
 883     {
 884         ERR("No context?\n");
 885         return E_FAIL;
 886     }
 887
 888     if (!This->pContext->pITextStoreACP)
 889     {
 890         FIXME("Context does not have a ITextStoreACP\n");
 891         return E_NOTIMPL;
 892     }
 893
 894     hr = ITextStoreACP_RequestLock(This->pContext->pITextStoreACP, TS_LF_READ, &hrSession);
 895
 896     if(SUCCEEDED(hr) && SUCCEEDED(hrSession))
 897         This->pContext->documentStatus.dwDynamicFlags = dwFlags;
 898
 899     return S_OK;
 900 }
 901
 902 static HRESULT WINAPI TextStoreACPSink_OnAttrsChange(ITextStoreACPSink *iface,
 903         LONG acpStart, LONG acpEnd, ULONG cAttrs, const TS_ATTRID *paAttrs)
 904 {
 905     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 906     FIXME("STUB:(%p)\n",This);
 907     return E_NOTIMPL;
 908 }
 909
 910 static HRESULT WINAPI TextStoreACPSink_OnLockGranted(ITextStoreACPSink *iface,
 911         DWORD dwLockFlags)
 912 {
 913     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 914     HRESULT hr;
 915     EditCookie *cookie;
 916     TfEditCookie ec;
 917
 918     TRACE("(%p) %x\n",This, dwLockFlags);
 919
 920     if (!This->pContext)
 921     {
 922         ERR("OnLockGranted called without a context\n");
 923         return E_FAIL;
 924     }
 925
 926     if (!This->pContext->currentEditSession)
 927     {
 928         FIXME("OnLockGranted called for something other than an EditSession\n");
 929         return S_OK;
 930     }
 931
 932     cookie = HeapAlloc(GetProcessHeap(),0,sizeof(EditCookie));
 933     if (!cookie)
 934         return E_OUTOFMEMORY;
 935
 936     cookie->lockType = dwLockFlags;
 937     cookie->pOwningContext = This->pContext;
 938     ec = generate_Cookie(COOKIE_MAGIC_EDITCOOKIE, cookie);
 939
 940     hr = ITfEditSession_DoEditSession(This->pContext->currentEditSession, ec);
 941
 942     ITfEditSession_Release(This->pContext->currentEditSession);
 943     This->pContext->currentEditSession = NULL;
 944
 945     /* Edit Cookie is only valid during the edit session */
 946     cookie = remove_Cookie(ec);
 947     HeapFree(GetProcessHeap(),0,cookie);
 948
 949     return hr;
 950 }
 951
 952 static HRESULT WINAPI TextStoreACPSink_OnStartEditTransaction(ITextStoreACPSink *iface)
 953 {
 954     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 955     FIXME("STUB:(%p)\n",This);
 956     return E_NOTIMPL;
 957 }
 958
 959 static HRESULT WINAPI TextStoreACPSink_OnEndEditTransaction(ITextStoreACPSink *iface)
 960 {
 961     TextStoreACPSink *This = (TextStoreACPSink *)iface;
 962     FIXME("STUB:(%p)\n",This);
 963     return E_NOTIMPL;
 964 }
 965
 966 static const ITextStoreACPSinkVtbl TextStoreACPSink_TextStoreACPSinkVtbl =
 967 {
 968     TextStoreACPSink_QueryInterface,
 969     TextStoreACPSink_AddRef,
 970     TextStoreACPSink_Release,
 971
 972     TextStoreACPSink_OnTextChange,
 973     TextStoreACPSink_OnSelectionChange,
 974     TextStoreACPSink_OnLayoutChange,
 975     TextStoreACPSink_OnStatusChange,
 976     TextStoreACPSink_OnAttrsChange,
 977     TextStoreACPSink_OnLockGranted,
 978     TextStoreACPSink_OnStartEditTransaction,
 979     TextStoreACPSink_OnEndEditTransaction
 980 };
 981
 982 static HRESULT TextStoreACPSink_Constructor(ITextStoreACPSink **ppOut, Context *pContext)
 983 {
 984     TextStoreACPSink *This;
 985
 986     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TextStoreACPSink));
 987     if (This == NULL)
 988         return E_OUTOFMEMORY;
 989
 990     This->TextStoreACPSinkVtbl= &TextStoreACPSink_TextStoreACPSinkVtbl;
 991     This->refCount = 1;
 992
 993     This->pContext = pContext;
 994
 995     TRACE("returning %p\n", This);
 996     *ppOut = (ITextStoreACPSink*)This;
 997     return S_OK;
 998 }